1995

6.4

1993

5.5

2001

7.3

1999

8.0

1974

7.5

1982

5.4

2008

6.2

0.0

1971

5.5

2005

6.2

1964

5.8

1997

3.0

2022

3.0

2017

6.3

1975

5.8

1998

5.7

2000

5.7

2022

9.0

2002

2.5

2018

5.2